This is a sample chapter from Wrox Press book 'Professional Windows DNA.' It prvides info on building web applications with VB, COM+, MSMQ, SOAP and ASP.

Reusability is one of the simplest and the oldest concepts in programming. It is also the most underutilized concept. When implemented correctly and purposefully, it can save time and money, as well as create an inventory for valuable and reusable software assets. This article discusses such topics as what resuability is, why it is important, its usages, and more.

This tutorial explains how to put ASP tags inside of JavaScript blocks so developers can fit large amounts of data into one form on a single page. It provides an overview of things that can be done with dynamic JavaScript with ASP and data queries. Example source code available for download.

Dynamically include javascript files in your page. Simply place all your javascripts in a sub directory and make one reference in your page to the cs_scripts.asp file. You can then pass + or - with file names to either include or ignore a file in the sub directory. By default all are included.

Prevent unauthorized viewing of website javascript and style sheet files. Simply rename all your style and javascript files to the .asp extension. Then include the validate_view.asp file at the top of each file. Open the validate_view.asp file and change the top the constants to those required. Then finally call the procedure name "validate_view" with the current files content type as the parameter.

This basic tutorial will show you how to include information in a non-asp page information generated from an .asp page by using javascript. A banner rotator script and a text hit counter are used as examples.

Remote scripting is an extremely powerful feature available in both Netscape Navigator and Internet Explorer. It allows us to use a combination of scripting languages to call server side ASP code from the client using JavaScript. This article shows us how to install remote scripting as well as two examples of using it to interact with ASP scripts using client-side JavaScript code.

ContentType command allows to use an asp file as a source for plain text, html, images, pdf files.

Basic idea and full source code to remote access contents of ASP Application object from a remote script. Lets you read, write and enumerate application dictionary from the remote script (WSH, remote ASP/IIS server) or application.

A nice way to point out some features on your website is by means of a tickertape. Not only can you show messages this way, but the ticker can also contain hyperlinks, so you can direct your visitors directly to the right place. This is an advanced version of the first ticker.